Use Firefox in another language

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Firefox lets you display menus, notifications, messages and other parts of the Firefox interface in different languages.

Tip: To choose a language for displaying web pages, see Choose display languages for multilingual web pages.

Switch Firefox to another language

You can switch languages at any time to display Firefox menus, notifications, and messages in a different language.

  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. In the Language section of the General panel, choose a language in the drop-down menu.
  3. Restart Firefox.
Note: If you are using Firefox Developer Edition or Firefox Nightly, you will need to download a new copy in the language you wish to use from the Mozilla website.

Add languages to the Firefox interface

Follow these steps to add more languages to Firefox.

  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. In the Language section of the General panel, click Search for more languages in the drop-down menu.
  3. Click Select more languages to add and choose the languages you want to add, then click the Add button.
  4. Use the Move Up and Move Down buttons to change the order, or Remove to pull a language out from the list.
  5. Click OK to save your changes.
Firefox will display the first language as your default and will display alternate languages if necessary in the order they appear.

Set an order of preference for languages

If a Firefox feature is not available in your top language, Firefox will display your next preferred language.

  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. In the Language section of the General panel, click Set Alternatives to open the Firefox Language Settings window.
  3. Select a language and use the Move Up and Move Down buttons to change the order, or Remove to pull a language out from the list.

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